If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3^x+3^(x+1)=30
We move all terms to the left:
3^x+3^(x+1)-(30)=0
We move all terms containing x to the left, all other terms to the right
3^x+3^(x+1)=30
| 3^x+3^x+1=30 | | 12-4(3x-2)=41-15x | | 7d+6*8=58 | | 3*0+4c=32 | | 5x-7/12=x-3/4+1 | | 3b-(-10=5 | | 3b-(-10)=16 | | 27-x=2x+3 | | 8x+2=5x+7 | | -2(x+1)-11(3x-5)=-4(3x-2)-5+2x | | 2x+1.15-x=1.70 | | 4x=170-x | | 3^x+3^x+3^x=3^4 | | 21x=14x+91 | | 9b=-7 | | 21x=14x+96 | | 21x=15x+83 | | 21x=15x+93 | | 21x=15x+86 | | 21x=15x+96 | | (y+7)(y+2)=0 | | 3(2x-5)-4(x+3)=0 | | 2m-5=5/3 | | 3x=2x+0.5 | | 4√x/X+1+3√x+1/X=8 | | 2x+2+8=0 | | 5y+9y+20=160 | | -6x+2×(x-1)=x-9 | | -6y+2×(y-1)=y-9 | | 5a+5=2 | | b/6=50 | | 4-2y/6=3 |